Radu rebuilt in 1905 the bishop's palace in Oradea; the designs were produced by architect C. Rimanoczy Jr., has recovered ranges from Beiuș house from Holod and established residence at Stâna de Vale.

In 1912 Radu traveled to Rome to discuss the Papal bull concerning the establishment of the Hungarian Greek Catholic diocese of Hajdúdorog.

Radu refused to become spokesman for the Hungarian Prime Minister István Tisza in relation to his nation, unlike the Romanian Orthodox Metropolitan of Sibiu, Basil Mangra, who supported the Austro-Hungarian authorities of the time.

Radu chaired with Ioan Papp, Orthodox Bishop of Arad and Gheorghe Pop de Băsești in the Grand National Assembly in Alba Iulia on December 1, 1918.

Radu died on 8 December 1920 in the bombing of the Senate of Romania, an attack staged by Max Goldstein and his associates, Osias Saul and Leon Lichtblau.